D.C. Code § 1-609.51
There is established within the District government the Management Supervisory Service to ensure that each agency has the highest quality managers and supervisors who are responsive to the needs of the government. Persons appointed to the Management Supervisory Service are not in the Career, Educational, Excepted, Executive, or Legal Service.
D.C. Code § 1-609.51
Applicability of § 101(k) of D.C. Law 12-124: Section 401(a) of D.C. Law 12-124, as amended by §60 of D.C. Law 12-264, provided that §101(d), (k), (p), (s), and (x) of the act shall apply upon the enactment of legislation by the United States Congress that states the following: "Notwithstanding any other law, section 101(d), (k), (p), (s), and (x) of the Omnibus Personnel Reform Act of 1998, effective June 10, 1998 (D.C. Law 12-124; 45 DCR 2464) are enacted into law." Section 134 of Title I of Division C of Pub. L. 105-277 , 112 Stat. 2681-596, provided that "Notwithstanding any other law, sections 101(d), (k), (p), (s), and (x) of the Omnibus Personnel Reform Amendment Act of 1998, D.C. Law 12-124, effective June 11, 1998, are enacted into law."